\begin{tabular}{@{}lcc|cc@{}}
\toprule
   Wealth group      & Gas predicted (N) & Gas actual (N) & EV predicted (N) & EV actual (N)    \\ \midrule
Overall  &   16,010 & 16,005 & 379 & 380 \\
\nth{1} quartile  & 4,165  & 4,141   &  29    & 29       \\
\nth{2} quartile   & 4,066 & 4,001  &     75 & 74        \\
 \nth{3} quartile  & 4,009   & 4,043     &  78    & 78          \\
\nth{4}  quartile & 3,770  & 3,820    &   197    &  199      \\  \midrule
  Wealth group      & Diesel predicted (N) & Diesel actual (N) & Hybrid predicted (N) & Hybrid actual (N)    \\ \midrule
   Overall & 5,600 & 5,601 &  1,085 & 1,088 \\
\nth{1}  quartile  & 1,331  & 1,458   &  244    & 145       \\
\nth{2}  quartile   & 1,374 & 1,436  &     254 & 252       \\
 \nth{3}  quartile  & 1,418   & 1,355      &  263    & 295          \\
\nth{4}  quartile & 1,477 & 1,352    &   324    & 396     \\  \midrule
Overall fit $\chi^{2}_{3}$ & 0.013 & & \\
Gas by quartile $\chi^{2}_{3}$ & 2.135 & & EV by quartile $\chi^{2}_{3}$ & 0.034 \\
Diesel by quartile $\chi^{2}_{3}$ & 28.23 & & HEV by quartile $\chi^{2}_{3}$ & 84.17 \\
All income quartile: $\chi^{2}_{15}$ & 114.57 & & \\
\bottomrule
\end{tabular}





